loop2: detected capacity change from 0 to 2048
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 10399 at fs/buffer.c:1229 __brelse fs/buffer.c:1229 [inline]
WARNING: CPU: 1 PID: 10399 at fs/buffer.c:1229 brelse include/linux/buffer_head.h:324 [inline]
WARNING: CPU: 1 PID: 10399 at fs/buffer.c:1229 bh_lru_install fs/buffer.c:1346 [inline]
WARNING: CPU: 1 PID: 10399 at fs/buffer.c:1229 __find_get_block+0xc3c/0xd84 fs/buffer.c:1400
Modules linked in:
CPU: 1 UID: 0 PID: 10399 Comm: syz.2.903 Tainted: G        W          6.13.0-rc6-syzkaller-g577490b6abb9 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __brelse fs/buffer.c:1229 [inline]
pc : brelse include/linux/buffer_head.h:324 [inline]
pc : bh_lru_install fs/buffer.c:1346 [inline]
pc : __find_get_block+0xc3c/0xd84 fs/buffer.c:1400
lr : __brelse fs/buffer.c:1229 [inline]
lr : brelse include/linux/buffer_head.h:324 [inline]
lr : bh_lru_install fs/buffer.c:1346 [inline]
lr : __find_get_block+0xc3c/0xd84 fs/buffer.c:1400
sp : ffff8000a0407390
x29: ffff8000a0407390 x28: 0000000000000000 x27: dfff800000000000
x26: 000000000000003d x25: ffff0000f11ea740 x24: 000000000000000a
x23: ffff0000ddbc2d98 x22: ffff0000f11fd488 x21: 0000000000000000
x20: ffff0000f4e80148 x19: ffff0000f11ea828 x18: 1fffe0003670127e
x17: ffff80008f98d000 x16: ffff80008046323c x15: 0000000000000001
x14: 1fffe00036703cd0 x13: ffff8000a0408000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 91fbc4358431e900
x8 : 91fbc4358431e900 x7 : ffff8000803d02d8 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff80008b747e80 x0 : ffff800123f2e000
Call trace:
 __brelse fs/buffer.c:1229 [inline] (P)
 brelse include/linux/buffer_head.h:324 [inline] (P)
 bh_lru_install fs/buffer.c:1346 [inline] (P)
 __find_get_block+0xc3c/0xd84 fs/buffer.c:1400 (P)
 bdev_getblk+0x48/0x62c fs/buffer.c:1425
 __breadahead+0x38/0x2c8 fs/buffer.c:1440
 nilfs_search_super_root+0x244/0x1184 fs/nilfs2/recovery.c:870
 load_nilfs+0x314/0xde0 fs/nilfs2/the_nilfs.c:250
 nilfs_fill_super+0x2a0/0x618 fs/nilfs2/super.c:1067
 nilfs_get_tree+0x3e4/0x738 fs/nilfs2/super.c:1220
 vfs_get_tree+0x90/0x28c fs/super.c:1814
 do_new_mount+0x278/0x900 fs/namespace.c:3507
 path_mount+0x590/0xe04 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount fs/namespace.c:4034 [inline]
 __arm64_sys_mount+0x4d4/0x5ac fs/namespace.c:4034
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 7182
hardirqs last  enabled at (7181): [<ffff8000803d0378>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1535 [inline]
hardirqs last  enabled at (7181): [<ffff8000803d0378>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5123
hardirqs last disabled at (7182): [<ffff80008b6a2044>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (7164): [<ffff80008030f088>] softirq_handle_end kernel/softirq.c:407 [inline]
softirqs last  enabled at (7164): [<ffff80008030f088>] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589
softirqs last disabled at (7029): [<ffff800080020db4>] __do_softirq+0x14/0x20 kernel/softirq.c:595
---[ end trace 0000000000000000 ]---